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Infineon Automotive Motor Drives

EBV Infineon ATV Motor Drives- Stepper Motors (LC)

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Stepper Motors, easy to control

With a stepper motor a full rotation of the motor is divided in several steps. The motor can be turned stepwise and allows a stop and hold at a position related to each of these steps. There is no necessary sensor feedback of the position needed. The position can be calculated on the base of counting the steps which were done. Robotics, home automation and 3D printing are the typical industrial applications where stepper motors are used. In automotive light leveling, HVAC flap control and mirror adjustment are applications which are addressed by using stepper motors. 

Infineon’s solution for driving stepper motors consists of several drivers capable to drive bipolar stepper motors. Besides these dedicated drivers other multi-half bridge and H-bridge drivers can be used for driving e.g. more powerful stepper motors.

The Infineon low-current motor bridge family consists of a broad variety of bridges for stepper and DC brush motors including servo motors.

The products are offered with protection features as well as diagnosis. Depending on the product type the protection ranges from basic protection against overtemperature to a full set of protection against open-load, overvoltage, under­voltage, overtemperature and short-circuit. The diagnosis capabilities range from a simple status flag to communica­tion via a 16-bit SPI.

Key Applications:

  • Stepper Motors in automotive and industrial applications
  • Idle speed control
  • Light leveling
  • Automotive dashboard (gauge leveling)
  • HVAC flaps
  • Seat adjustment
  • Throttle flap
  • Mirror control

 

Image of Motor Control Stepper Motor diagram

Block Diagram of a stepper motor application


Depending on specific circumstances and boundary conditions, customers choose their optimal system-design. Most relevant are:

  • Voltage supply
  • Uni- or bipolar motor
  • Power requirements
  • Space constrains

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EBV- Infineon- ATV Motor Drives- Ebook (GBL)

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eBook

Automotive motor drives system solutions

Infineon provides such semiconductor solutions and steadily extends the portfolio of semiconductors needed for smart and modern Motor Control, such as MOSFETs, Bridge Drivers, Integrated Bridges, Smart Power Controllers, Microcontrollers and Sensors.

EBV- Infineon- ATV Motor Drives- Multi Half Bridges (GBL)

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Infineon Technologies

TLE94xyz DC motor driver family

The TLE94xyz are protected half-bridge drivers designed for automotive motion control applications such as small DC motors for Heating, Ventilation and Air Conditioning (HVAC), as well as mirror adjustment and fold.

EBV- Infineon- ATV Motor Drives- TLE8444SL (GBL)

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Infineon Technologies

TLE8444SL Stepper motor driver

The TLE 8444SL is a protected Quad-Half-Bridge-IC targeted towards automotive and industrial motion control applications.

EBV- Infineon- ATV Motor Drives- TLE920x family (GBL)

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Infineon Technologies

Full- or h-bridges - TLE920x family

TLE9201SG and TLE9202ED are general-purpose 6A H-Bridges designed for the control of small DC motors and inductive loads. They meet the harsh automotive environmental conditions and are qualified in accordance with the AEC-Q100 standard.

EBV- Infineon- ATV Motor Drives- Stepper motor drivers (GBL)

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Infineon Technologies

TCA3727 Stepper motor driver

TCA3727G is a bipolar, monolithic IC for driving bipolar stepper motors, DC motors and other inductive loads that operate on constant current.

EBV- Infineon-ATV Motor Drives- TLE472x (GBL)

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Infineon Technologies

TLE472x Stepper motor driver

TLE472x is a bipolar, monolithic IC for driving bipolar stepper motors, DC motors and other inductive loads that operate by constant current.